Toshiba LF600F - Manual (Page 113)

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9.2 Calibration Using Converter Signal Source
9.2.1 0 % Flow Rate Calibration (zero point calibration)
Using the converter’s internal calibration circuit, 0% flow rate (hereafter called zero point)
calibration can be made.
To check the zero point of flow measurement:
Key operation Display example Description
0:
MEAS MODE
^FLOWCAL 0
FLOW CAL 50
FLOW CALI 00
EXCURR DSP
[SEL] [ENT]
Select "FLOW CAL 0" in the configuration setting
item selection screen.
STEP1
[ENT]
01:
FLOW CAL 0
0.1
%
[EXT] [SET]
The zero point by simulation input is displayed.
Then press the [SET] key.
* Pressing the [EXT] key returns you to the menu.
STEP2
[SET]
01:
ADJUST READY
0.1
%
When you press the [SET] switch, the title display
changes to ADJUST READY and enables you to
perform calibration.
* Pressing the [EXT] key returns you to the previous
[EXT] [SET]
screen.
STEPS
[SETjHold down
01:
FLOW CAL 0
*CAL 0% ADJ
Holdino down the [SET] kev when ADJUST READY
is displayed, "*CAL 0% ADJ" is displayed and
zero Doint calibration starts.
Switch operation is disabled during calibration.
STEP4 01:
FLOW CAL 0
0.0
%
After approximately 4 seconds, zero point
calibration is completed and a new zero point is
displayed.
Press the [EXT] key. You return to the menu
[EXT] [SET]
screen.
Note l:To start calibration, hold down the [SET] key.
Note 2: To cancel the adjustment when ADJUST READY is displayed, press the [EXT] key.
You return to the screen displaying the zero point by simulation input.
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